CN102305743A - Method for measuring comprehensive rigidity of crank pressure machine and die - Google Patents
Method for measuring comprehensive rigidity of crank pressure machine and die Download PDFInfo
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- CN102305743A CN102305743A CN201110246651A CN201110246651A CN102305743A CN 102305743 A CN102305743 A CN 102305743A CN 201110246651 A CN201110246651 A CN 201110246651A CN 201110246651 A CN201110246651 A CN 201110246651A CN 102305743 A CN102305743 A CN 102305743A
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- motor
- crank press
- crank
- mould
- assay method
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Abstract
The invention provides a method for measuring the comprehensive rigidity of a crank pressure machine and a die. The method is characterized by comprising the following steps of: 1, arranging a tonnage meter on a machine body of the crank pressure machine, arranging an upper die of the die on a slide block, arranging a lower die on a base plate, and putting a blank; 2, inputting the angular speed omega 1 of a motor by a control part; 3, controlling the motion of the motor by the control part, and when detecting that the angular speed of the motor is equal to the inputted angular speed omega 1 of the motor, controlling the motor to run at constant speed by the control part, and hitting, so that the blank is deformed to form a workpiece; 4, detecting the angular speed omega 2 of the motor at the moment of finishing hitting by the control part; and 5, calculating the comprehensive rigidity C of the crank pressure machine and the die according to a pressure value F displayed by the tonnage meter and a formula, wherein the measured comprehensive rigidity comprises the conversion rigidity of the elastic deformation and friction consumption energy of a stressed piece. The method can be used for equipment such as the crank pressure machine and the like.
Description
Technical field
The present invention provides the assay method of a kind of crank press and mould integral stiffness, belongs to the mechanical industry technical field.
Background technology
A motion portion of energy part changes workpiece deformation merit, the resilience work of deformation and frictional work into when crank press and mold work, and remainder kinetic energy makes slide block continue motion.Prior art can not accurately be measured for frictional work, causes the integral stiffness measuring difficulty, and this becomes the insoluble technical barrier in this area.
Summary of the invention
The purpose of this invention is to provide a kind of assay method that can conveniently measure crank press and mould integral stiffness that solves an above-mentioned difficult problem.Its technical scheme is:
The assay method of a kind of crank press and mould integral stiffness is characterized in that adopting following steps: 1. be installed in tonnage meter on the fuselage of crank press, put into mould to blank; 2. through control assembly input motor angular velocity ω
1With crank press moment of inertia J; 3. through control assembly control motor action, to be checkedly measure the motor angular velocity ω that the motor angular velocity value equals to import
1The time, control assembly control motor is at the uniform velocity implemented to hit, and makes blank deformation become workpiece; 3. control assembly detects motor angular velocity value ω in the moment of hitting end
24. the force value F that shows according to tonnage meter, by formula
Calculate crank press and mould integral stiffness C, wherein E in the formula
dBe the workpiece deformation merit, when mould is m station,
The assay method of described crank press and mould integral stiffness; Crank press comprises motor, control assembly, gear train and is installed in the working mechanism on the fuselage; Wherein control assembly is connected with motor, and motor output shaft connects working mechanism through gear train.
The assay method of described crank press and mould integral stiffness; Control assembly comprises electric machine controller, detent, angular displacement sensor, Programmable Logic Controller and touch-screen; Wherein detent and angular displacement sensor are installed on the output shaft of motor; The input end of the output termination motor of electric machine controller; The input end of electric machine controller connects the output terminal of angular displacement sensor, Programmable Logic Controller and touch-screen respectively, the control end of the output termination detent of Programmable Logic Controller, and the input end of Programmable Logic Controller connects touch-screen.
The assay method of described crank press and mould integral stiffness; Gear train adopts gear drive or belt gear; If employing gear drive; Gear train comprises gear shaft and follower gear, and wherein the input end of gear shaft is fixedly connected the output terminal of motor, and follower gear is fixedly mounted in the working mechanism.
The assay method of described crank press and mould integral stiffness, working mechanism comprises crank, connecting rod and slide block, the input end of crank is fixedly connected with the output terminal of gear train, the upper end of crank middle part connective pole, the connecting rod bottom connects slide block.
The assay method of described crank press and mould integral stiffness, motor adopts switched reluctance machines or reversible electric machine.
The assay method of described crank press and mould integral stiffness, angular displacement sensor adopts rotary transformer or Hall element, and detent adopts disc brake, and mould comprises upper die and lower die.
The present invention compared with prior art, its advantage is:
1, the integral stiffness of being tested comprises the stressed member elastic deformation and rubs catabiotic conversion rigidity.
2, the present invention can be used for equipment such as crank press.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention.
Among the figure: 1, electric machine controller 2, detent 3, angular displacement sensor 4, motor 5, driving wheel 6, engaged wheel 7, bent axle 8, connecting rod 9, slide block 10, backing plate 11, fuselage 12, Programmable Logic Controller 13, touch-screen 14, tonnage meter 15, patrix 16, counterdie
Embodiment
Below in conjunction with accompanying drawing the present invention is further specified: crank press comprises motor 4, control assembly, gear train and is installed in the working mechanism on the fuselage 11, wherein:
Motor 4 adopts switched reluctance machines, and angular displacement sensor 3 adopts rotary transformer, and detent 2 adopts disc brake.
Control assembly comprises electric machine controller 1, detent 2, angular displacement sensor 3, Programmable Logic Controller 12 and touch-screen 13; Wherein detent 2 is installed on the output shaft of motor 4 with angular displacement sensor 3; The input end of the output termination motor 4 of electric machine controller 1; The input end of electric machine controller 1 connects the output terminal of angular displacement sensor 3, Programmable Logic Controller 12 and touch-screen 13 respectively; The control end of the output termination detent 2 of Programmable Logic Controller 12, the input end of Programmable Logic Controller 12 connects touch-screen 13.
Gear train adopts gear drive, comprises gear shaft 5 and follower gear 6, and wherein the input end of gear shaft 5 is fixedly connected the output terminal of motor 4, and follower gear 6 is fixedly mounted in the working mechanism.
Working mechanism comprises crank 7, connecting rod 8 and slide block 9, and the input end of crank 7 is fixedly connected with the output terminal of gear train, the upper end of crank 7 middle part connective poles 8, and connecting rod 8 bottoms connect slide block 9.
Mould comprises patrix 15 and counterdie 16.
Among the embodiment:
Crank press moment of inertia J is 10kgm
2, workpiece deformation merit E
dBe 2.5 * 10
3J, the motor angular velocity ω of input
1Be 30s
-1, specifically the mensuration process is:
1. be installed in tonnage meter 14 on the fuselage 11 of crank press, put into mould to blank; 2. through control assembly input motor angular velocity ω
1With crank press moment of inertia J, be respectively 30s
-1And 10kgm
23. through 4 actions of control assembly control motor, the motor angular velocity value that measures to be checked equals 30s
-1The time, control assembly control motor 4 is at the uniform velocity implemented to hit, and makes blank deformation become workpiece; 3. control assembly detects motor angular velocity value ω in the moment of hitting end
2=10s
-14. force value F=1 * 10 that show according to tonnage meter 14
6N, by formula
Calculate the integral stiffness of crank press and mould
Claims (8)
1. the assay method of crank press and mould integral stiffness is characterized in that adopting following steps: 1. be installed in tonnage meter (14) on the fuselage (11) of crank press, put into mould to blank; 2. through control assembly input motor angular velocity ω
1With crank press moment of inertia J; 3. through control assembly control motor (4) action, to be checkedly measure the motor angular velocity ω that the motor angular velocity value equals to import
1The time, control assembly control motor (4) is at the uniform velocity implemented to hit, and makes blank deformation become workpiece; 3. control assembly detects motor angular velocity value ω in the moment of hitting end
24. the force value F that shows according to tonnage meter (14), by formula
Calculate crank press and mould integral stiffness C, wherein E in the formula
dBe the workpiece deformation merit, when mould is m station,
2. the assay method of crank press as claimed in claim 1 and mould integral stiffness; It is characterized in that: crank press comprises motor (4), control assembly, gear train and is installed in the working mechanism on the fuselage (11); Wherein control assembly is connected with motor (4), and motor (4) output shaft connects working mechanism through gear train.
3. the assay method of crank press as claimed in claim 2 and mould integral stiffness; It is characterized in that: control assembly comprises electric machine controller (1), detent (2), angular displacement sensor (3), Programmable Logic Controller (12) and touch-screen (13); Wherein detent (2) and angular displacement sensor (3) are installed on the output shaft of motor (4); The input end of the output termination motor (4) of electric machine controller (1); The input end of electric machine controller (1) connects the output terminal of angular displacement sensor (3), Programmable Logic Controller (12) and touch-screen (13) respectively; The control end of the output termination detent (2) of Programmable Logic Controller (12), the input end of Programmable Logic Controller (12) connects touch-screen (13).
4. the assay method of crank press as claimed in claim 2 and mould integral stiffness; It is characterized in that: gear train adopts gear drive or belt gear; If employing gear drive; Gear train comprises gear shaft (5) and follower gear (6), and wherein the input end of gear shaft (5) is fixedly connected the output terminal of motor (4), and follower gear (6) is fixedly mounted in the working mechanism.
5. the assay method of crank press as claimed in claim 2 and mould integral stiffness; It is characterized in that: working mechanism comprises crank (7), connecting rod (8) and slide block (9); The input end of crank (7) is fixedly connected with the output terminal of gear train; The upper end of crank (7) middle part connective pole (8), connecting rod (8) bottom connects slide block (9).
6. the assay method of crank press as claimed in claim 1 and mould integral stiffness is characterized in that: motor (4) adopts switched reluctance machines or reversible electric machine.
7. the assay method of crank press as claimed in claim 3 and mould integral stiffness is characterized in that: angular displacement sensor (3) adopts rotary transformer or Hall element, and detent (2) adopts disc brake.
8. the assay method of crank press as claimed in claim 1 and mould integral stiffness is characterized in that: mould comprises patrix (15) and counterdie (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110246651A CN102305743A (en) | 2011-08-23 | 2011-08-23 | Method for measuring comprehensive rigidity of crank pressure machine and die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110246651A CN102305743A (en) | 2011-08-23 | 2011-08-23 | Method for measuring comprehensive rigidity of crank pressure machine and die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102305743A true CN102305743A (en) | 2012-01-04 |
Family
ID=45379625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110246651A Pending CN102305743A (en) | 2011-08-23 | 2011-08-23 | Method for measuring comprehensive rigidity of crank pressure machine and die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102305743A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020020308A1 (en) * | 2000-07-21 | 2002-02-21 | Hisanobu Kanamaru | Slider link press |
| CN101474888A (en) * | 2009-01-20 | 2009-07-08 | 山东理工大学 | Numerical control method for accurate striking of screw press |
| CN101476968A (en) * | 2009-01-20 | 2009-07-08 | 山东理工大学 | Integral stiffness measuring method of screw press |
-
2011
- 2011-08-23 CN CN201110246651A patent/CN102305743A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020020308A1 (en) * | 2000-07-21 | 2002-02-21 | Hisanobu Kanamaru | Slider link press |
| CN101474888A (en) * | 2009-01-20 | 2009-07-08 | 山东理工大学 | Numerical control method for accurate striking of screw press |
| CN101476968A (en) * | 2009-01-20 | 2009-07-08 | 山东理工大学 | Integral stiffness measuring method of screw press |
Non-Patent Citations (1)
| Title |
|---|
| 类成玲等: "螺旋压力机力能与频率关系分析", 《机床与液压》 * |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120104 |